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Finding the Fourth Proportional to 366,940.20, 549,754.20 and 310,515.60

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Solution

The fourth proportional to 366,940.20, 549,754.20 and 310,515.60 is: 465,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940.20 : 549,754.20 = 310,515.60 : x
  2. Step 2: Convert to fraction form
    366,940.20/549,754.20 = 310,515.60/x
  3. Step 3: Cross multiply
    366,940.20x = 549,754.20 × 310,515.60
  4. Step 4: Simplify right side
    366,940.20x = 170,707,255,265.52
  5. Step 5: Solve for x
    x = 170,707,255,265.52/366,940.20
  6. Step 6: Final answer
    x = 465,218.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.